eng ckeck light

Asked by Aug 16, 2011 at 05:05 PM about the 2006 Chevrolet Impala LTZ

Question type: Maintenance & Repair

I did a code check which gave me P0171 , Bank 1 lean
Can someone tell me what this means ??????????

2 Answers

1,385

Try cleaning your MAF (Mass Air Flow)

1 people found this helpful.
305

In addition to Jesse , try using only premium Fuel and also replacing your 02 sensor/sensors

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